Mark has brown hair. his wife, maggie, also has brown hair. mark and maggie have four children. three children have brown hair, and one child has blonde hair. what is the most likely explanation for this? a. repeated dying of the fourth child's hair resulted in a permanent color change. b. the blond hair was a result of the expression of a recessive gene. c. the fourth child was born with brown hair, but it later turned blonde. d. the blonde hair was a result of a genetic mutation.

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

What happens when a rubber rod is rubbed with a piece of fur?

What are the north and south poles of a solenoid change with?